8097140 has 24 divisors (see below), whose sum is σ = 17285352. Its totient is φ = 3185280.

The previous prime is 8097137. The next prime is 8097143. The reversal of 8097140 is 417908.

It is an interprime number because it is at equal distance from previous prime (8097137) and next prime (8097143).

It can be written as a sum of positive squares in 4 ways, for example, as 763876 + 7333264 = 874^2 + 2708^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8097143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2099 + ... + 4538.

It is an arithmetic number, because the mean of its divisors is an integer number (720223).

Almost surely, 2^8097140 is an apocalyptic number.

It is an amenable number.

8097140 is an abundant number, since it is smaller than the sum of its proper divisors (9188212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8097140 is a wasteful number, since it uses less digits than its factorization.

8097140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6707 (or 6705 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 8097140 is about 2845.5473990078. The cubic root of 8097140 is about 200.8062454738.

The spelling of 8097140 in words is "eight million, ninety-seven thousand, one hundred forty".